------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: xprt_init_autodisconnect+0x0/0x220 include/linux/list.h:64 WARNING: CPU: 0 PID: 21857 at lib/debugobjects.c:325 debug_print_object+0x16a/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 21857 Comm: syz-executor0 Not tainted 5.0.0-rc2-next-20190118 #15 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x48 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:debug_print_object+0x16a/0x250 lib/debugobjects.c:325 Code: dd e0 18 82 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd e0 18 82 88 48 c7 c7 80 0e 82 88 e8 56 a2 b8 fd <0f> 0b 83 05 31 b4 c9 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 RSP: 0018:ffff8880ae6079d0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff81688856 RDI: 0000000000000005 RBP: ffff8880ae607a10 R08: ffff88809b61e600 R09: ffffed1015cc3ef9 R10: ffffed1015cc3ef8 R11: ffff8880ae61f7c7 R12: 0000000000000001 R13: ffffffff899ae240 R14: ffffffff816ed850 R15: ffff88809b7c6b60 __debug_check_no_obj_freed lib/debugobjects.c:806 [inline] debug_check_no_obj_freed+0x3ac/0x5a7 lib/debugobjects.c:835 kfree+0xbd/0x230 mm/slab.c:3805 __rcu_reclaim kernel/rcu/rcu.h:233 [inline] rcu_do_batch kernel/rcu/tree.c:2486 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2799 [inline] rcu_core+0xd76/0x1680 kernel/rcu/tree.c:2780 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:lock_is_held_type+0x18a/0x210 kernel/locking/lockdep.c:3903 Code: 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d d9 ee 2e 08 00 74 30 48 89 df 57 9d 0f 1f 44 00 00 48 83 c4 08 44 89 e0 <5b> 41 5c 41 5d 5d c3 48 83 c4 08 41 bc 01 00 00 00 5b 44 89 e0 41 RSP: 0018:ffff8880895d7718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000286 RCX: 1ffffffff14b8e27 RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286 RBP: ffff8880895d7730 R08: ffff88809b61e600 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88809b61e600 R14: 00000000000001a1 R15: 00000000006080c0 lock_is_held include/linux/lockdep.h:337 [inline] ___might_sleep+0x285/0x310 kernel/sched/core.c:6116 __might_sleep+0x95/0x190 kernel/sched/core.c:6104 slab_pre_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slab.c:3288 [inline] kmem_cache_alloc_node_trace+0x266/0x720 mm/slab.c:3650 kmalloc_node include/linux/slab.h:583 [inline] kzalloc_node include/linux/slab.h:751 [inline] __get_vm_area_node+0x12b/0x3a0 mm/vmalloc.c:1389 __vmalloc_node_range+0x191/0x910 mm/vmalloc.c:1751 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags mm/vmalloc.c:1824 [inline] vzalloc+0x6b/0x90 mm/vmalloc.c:1863 xt_counters_alloc+0x50/0x70 net/netfilter/x_tables.c:1353 __do_replace+0xbb/0xa80 net/ipv4/netfilter/ip_tables.c:1052 do_replace net/ipv4/netfilter/ip_tables.c:1143 [inline] do_ipt_set_ctl+0x4a9/0x653 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x7d/0xd0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1258 [inline] ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1238 tcp_setsockopt net/ipv4/tcp.c:3068 [inline] tcp_setsockopt+0x95/0xf0 net/ipv4/tcp.c:3062 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3017 __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45abea Code: 49 89 ca b8 37 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 0a 8c fb ff c3 66 0f 1f 84 00 00 00 00 00 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ea 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007ffdbb613358 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ffdbb613380 RCX: 000000000045abea RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000070fe80 R08: 00000000000002d8 R09: 0000000000004000 R10: 000000000070dd20 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000000 R15: 000000000070dcc0 Kernel Offset: disabled Rebooting in 86400 seconds..